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材料研究学报  2007, Vol. 21 Issue (4): 429-432    
  论文 本期目录 | 过刊浏览 |
过冷度对Fe-Ni-P-B软磁合金凝固组织的影响
张长青  姚可夫
引用本文:

张长青; 姚可夫 . 过冷度对Fe-Ni-P-B软磁合金凝固组织的影响[J]. 材料研究学报, 2007, 21(4): 429-432.

全文: PDF(1039 KB)  
摘要: 采用玻璃包覆法(fluxing)提纯和在不同温度下保温,获得了Fe40Ni40P14B6合金熔体的凝固组织,研究了过冷度对凝固组织的影响.结果表明,随着过冷度的增大,Fe40Ni40P14B6的凝固组织从亚共晶转变为共晶组织,晶粒尺寸明显减小.当过冷度超过某一临界值时,合金熔体发生Spinodal分解,形成网状结构的凝固组织并使晶粒显著细化,达到纳米尺度.在深过冷条件下,可获得块体纳米晶凝固组织.
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收稿日期: 1900-01-01     
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